Description
CAST IRON MACHINING?
There are 2 types of CBN inserts 1 are for Hardened steel and another is for cast iron?grey & chilled cast iron
This is with 4 corners?
please choose carefully by application you need both grade are for continuous and interrupted cut?
?





![Steiner Navigator 7×30 Binocular [2340]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756623202/steiner-navigator-7x30-binocular-2340.webp)